Lock-hinge



(No Model.)

A. A. OAT, S1.

LOOK HINGE.

No. 469,333. Patented Feb. 23, 1892.

my 1. Q me o oao @vwamhoz UNrren STATES PATENT OFFICE.

ALFRED A. OAT, sn, or PHILADELPHIA, PENNSYLVANIA.

LOCK-HINGE.

SPECIFICATION forming part of Letters Patent No. 469,333, dated February23, 1892. Application filed April 21, 1891. Serial No. 389,762. (Nomodel.)

To (0% whom it may concern:

Be it known that I, ALFRED A. OAT, Sn, a citizen of the United States,and a resident of the city and county of Philadelphia,in the State ofPennsylvania, have invented certain new and useful Improvements in Lockitl-linges, of which the following is a specifica- My invention relatesto a style of 1ockhinge which can be adapted to doors as well as blindsand shutters, by which they can be fastened when placed in anyconvenient position or may be left unfastened. I attain these objects bythe mechanism illustrated in the accompanying drawings, in which- Figure1 is a vertical front elevation of a loose-butt hinge fitted with myimprovement attached to a door, which is hung to a frame in the usualmanner. Fig. 2 is a horizontal section through A B of Fig.1. Fig. 3

.is an elevation of cam-lever and bracket for operating hinge. Fig. 4 isa horizontal section through A B of Fig. 1 of one of my lockhingesfitted to a window-shutter or door swung to open outside. Fig. 5 is afront elevation of catch or fastening for head of pin 9.

Similar letters refer to similar parts throughout the several views.

Previous to my invention lock-hinges have not been constructed so theycould be used and operated from the inside on doors of rooms or shuttershung to swing inside of the room and against a wall or partition whenopened. I overcome-this difficulty by my improvement, which permits thedoor to be locked and unlocked by my lock-hinge from the inside when inany desired position; and it consists of a hinge having in one leaf a asliding bolt 1), and spring 7o with an arm f, pin 9, cam-lever Z, spring1%, rod, chain, or handle a, ring 0, and hooks or pins 19 19 The otherleaf 0 of the hinge has an arbor r, having sockets or openings 3 s 5 &c.In the drawings I have shown what are known as loose-butt hinges, whichare made of two parts or leaves a. and c. The part c, which contains thepin or fulcrum 25, is fastened to the door-frame e, e being the insideor side on which the door at opens against when fastened to the leaf aof my hinge. The door cl, attached to this leaf a of this form of hingeor loose butt, swinging on its fulcrum it, may

be lifted off when the door is opened in the usual manner withloose-butt hinges.

My improvement when used for hanging a door or shutter intended to belocked by it from the inside, as at (1 Fig. 2, has its stationary leaf 0attached to the door-frame c, this stationary leaf 0 in this casecontaining the sockets s 8 .9 c into which the bolt 1) engages when itis desired that the door shall remain in a corresponding position, thebolt 6 being retained in the desired socket by the pressure of thespring 7c, the outer end of this bolt being attached to the arm f, whichis attached to the pin 9, the head h of this pin g being actuated by thecam-leverl and handle a with its ring or other fastening 0, and catchesp p for fixing the ring in either de sired position.

The operation of my improvement is as follows: In Figs. 1, 2, and 3 thedoor cl is Wide open and set back against the wall or partition e,with'the bolt b in the socket 5 locking the hinge and keeping the door dwide open, the cam-lever Z being in the position shown by the solidlines, its lever being at Z, the handle at having its ring 0 at 19. Ifthis handle 01. and ring 0 are now drawn to p", the lever of thecam-lever will be drawn to Z forcing the head h of the rod or pin 9 to7L2, its arm to f compressing the spring 7e and withdrawing the bolt 1)from the sockets which unlocks the hinge and allows the door or shutterto swing freely in the direction shown by the arrow to close it. Whenclosed it may be locked by moving the ring 0 and handle n back from p to19, thus permitting the compressed spring 713 to force the bolt b intothe socket s, and carrying the arm f and rod it back to their originalpositions, locking the hinge with the door at closed. By firstwithdrawing or unlocking the bolt 19 in the manner just described bydrawing the ring to p, the door may be set in any convenient positionand then looked in that position by returning the ring 0 to 19, wherebythe bolt 1) is forced by the spring 7.: into the nearest socket, thuslocking the hinge and keeping the door in the desired position. In thedrawings I have shown three sockets s, 3 and 8 but I do not confinemyself to this number, but can place as many more in the arbor was itssize will permit.

When I use a chain for a handle a, I placea spring in on the pivot q ofthe cam-lever Z, one end of the spring on being attached to thecam-lever Z, and the other end to or against the bearing a, so that theelasticity of the spring m, when it is compressed by drawing the handlea to 19 will press the camlever toward Z as soon as the ring 0 andhandle n are released or returned to p.

In Figs. 1 and 2 the hingeis placed so that the hub r and bolt 1) are atthe lower part of the leaf a of the hinge to permit the door, whenopened with the bolt and socket released or unlocked, to be lifted fromits position, if desired.

If the door or shutter is hung on the outside of the frame to openoutwardly and it is desired to operate the lockhinge from the inside ofthe door and frame, the hinge must be reversed, so that the leaf a withthe bolt 1) shall be the stationary leaf attached to the door-frame e,the bolt 1) being at the. top of the hinge, and the other leaf havingits hub attached to the door d. The rod 9 is then reversed in the arm sothat its head h is on the inside of the door-frame and room, andoperated by drawing or pulling the rod gsuffioiently from the hinge torelease the bolt 12 from the socket in the hub r and allow the door orshutter to swing freely, and the pin 9 may be retained in this positionby dropping it into the narrow part y of the catch, Fig. 5, where theshoulder t' on the pin g prevents it from being drawn back by the springk on the bolt b. When it is desired to lock the door or shutter in anyposition, the rod 9 is raised to the wider part -v of the catch,

' Fig. 5, which allows the bolt b to fall into any avoid contact of therod g with the weights to w, as shown in Fig. 4. When used on adoor-frame, as described in reference to Fig. 5, if desired, the arm fmay be extended to the face at, Fig. 4, where the rod 9 and its catchmay be placed; but I prefer to pass it through the frame, as shown.

In the drawings I have shown the form of hinge known as a loose butt,which I pre fer to use from the facility with which the door or shutterhung byit may be raised and removed when desired; but I do not confinemyself to the use of loose butts, as any other convenient form of hingemay be made with my improvement and locked or unlocked by its operation.

What I claim, and desire to secure by Let ters Patent, is

In a lock-hinge, the combination, with one leaf of a hinge and locatedtherein the sliding spring-bolt having an arm, apin or rod in engagementwith said arm, a bracket adapted to be secured to the door ordoor-frame, a spring-actuated cam-lever mounted in said bracket toengage said pin or rod, a handle having a ring and secured to the outerend of said cam-lever, and a catch on the door or frame, whereby thelever maybe fastened in position, of the other leaf of the hinge,provided with sockets adapted to receive the end of the spring-bolt,substantially as shown.

and set forth.

In testimony that I claim the foregoing as my invention I have signed myname, in presence of two witnesses, this 23d day of March, 1891.

ALFRED A. OAT, SR. (L. s.]

Witnesses:

O. HENRY RoNnY, J EFF. II. CLARK.

